diff --git a/camera/CameraParameters.cpp b/camera/CameraParameters.cpp
index b50d4d2..65fd7ac 100644
--- a/camera/CameraParameters.cpp
+++ b/camera/CameraParameters.cpp
@@ -253,6 +253,11 @@
     return strtof(v, 0);
 }
 
+void CameraParameters::remove(const char *key)
+{
+    mMap.removeItem(String8(key));
+}
+
 static int parse_size(const char *str, int &width, int &height)
 {
     // Find the width.